Earthquakes in San Biase
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is this area?
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
Official Civil Protection classification (upd. 2025), used for building codes.
Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.210 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Biase plus nearby towns.
The seismic history of San Biase
The earthquakes that were actually felt in San Biase over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2006NF29 May 2006
Imperceptible: only instruments record it.
Gargano earthquake (M4.6), epicentre 110 km away
- 2005III-IV1 March 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Molise earthquake (M3.7), epicentre 25 km away
- 2003IV30 December 2003
Moderate: felt by many indoors; glasses and dishes rattle.
Molise earthquake (M4.5), epicentre 25 km away
- 2003NF1 June 2003
Imperceptible: only instruments record it.
Molise earthquake (M4.4), epicentre 21 km away
- 2003NF28 April 2003
Imperceptible: only instruments record it.
Molise earthquake (M3.6), epicentre 23 km away
- 2003NF27 January 2003
Imperceptible: only instruments record it.
Molise earthquake (M3.8), epicentre 16 km away
- 2002V12 November 2002
Rather strong: felt by almost everyone; hanging objects swing.
Molise earthquake (M4.6), epicentre 18 km away
- 2002V1 November 2002
Rather strong: felt by almost everyone; hanging objects swing.
Molise earthquake (M5.7), epicentre 22 km away
- 1998NF7 March 1998
Imperceptible: only instruments record it.
Isernino earthquake (M3.8), epicentre 24 km away
- 1984V7 May 1984
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Meta earthquake (M5.9), epicentre 44 km away
- 1962V-VI21 August 1962
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M6.2), epicentre 64 km away
- 1805VII26 July 1805
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Molise earthquake (M6.7), epicentre 27 km away
…and 3 more documented effects in this town's history.
Source: Italian Macroseismic Database DBMI15 (INGV, CC BY 4.0).
The great earthquakes in this area's history
Almost a thousand years of catalogues: the strongest documented events within ~50 km.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town lies about 6 km from Pescolanciano-Montagano, one of the seismic structures mapped by INGV geologists.
Faults are mapped to build better and understand the territory: knowing them says nothing about when an earthquake will occur, which remains unpredictable. Source: DISS 3.3 (INGV, CC BY 4.0).
Area over time
Earthquake map
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
San Biase is about average for its province in recorded quakes.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Campobasso3 events · 30gMolise region16 events · 30gFrequently asked questions
Were there earthquakes today in San Biase?
No, no quakes were recorded today in the San Biase area: the latest nearby dates back to 2 months ago.
Is San Biase a seismic area?
San Biase is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near San Biase?
In the last ~12 years of INGV data, the strongest within 30 km of San Biase was magnitude 5.1, in 2018.
When was the last quake near San Biase?
The last quake recorded within 30 km of San Biase was 18 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)